#app {

  .main-container {
    min-height : 100%;
    transition : margin-left .28s;
    margin-left: $sideBarWidth;
    position   : relative;
  }

  .sidebar-container {
    transition      : width 0.28s;
    width           : $sideBarWidth !important;
    background-color: $menuBg;
    height          : 100%;
    position        : fixed;
    font-size       : 0px;
    top             : 0;
    bottom          : 0;
    left            : 0;
    z-index         : 1001;
    overflow        : hidden;

    // reset element-ui css
    .horizontal-collapse-transition {
      transition: 0s width ease-in-out, 0s padding-left ease-in-out, 0s padding-right ease-in-out;
    }

    .scrollbar-wrapper {
      overflow-x: hidden !important;
    }

    .el-scrollbar__bar.is-vertical {
      right: 0px;
    }

    .el-scrollbar {
      height: 100%;
    }

    &.has-logo {
      .el-scrollbar {
        height: calc(100% - 50px);
      }
    }

    .is-horizontal {
      display: none;
    }

    a {
      display : inline-block;
      width   : 100%;
      overflow: hidden;
    }

    .svg-icon {
      margin-right: 16px;
    }

    .el-menu {
      border: none;
      height: 100%;
      width : 100% !important;
    }

    .el-menu-item,
    .el-submenu__title {
      overflow     : hidden !important;
      text-overflow: ellipsis !important;
      white-space  : nowrap !important;
    }

    // menu hover
    .submenu-title-noDropdown,
    .el-submenu__title {

      // &:hover {
      //   background-color: $menuHover !important;
      // }
      &:hover {
        background-color: rgba(0, 0, 0, 0.06) !important;
      }
    }

    // .is-active>.el-submenu__title {
    //   color: $subMenuActiveText !important;
    // }
    & .theme-dark .is-active>.el-submenu__title {
      color: $subMenuActiveText !important;
    }

    & .nest-menu .el-submenu>.el-submenu__title,
    & .el-submenu .el-menu-item {
      min-width         : $sideBarWidth !important;
      //background-color: $subMenuBg !important;

      &:hover {
        // background-color: $subMenuHover !important;
        background-color: rgba(0, 0, 0, 0.06) !important;
      }
    }

    & .theme-dark .nest-menu .el-submenu>.el-submenu__title,
    & .theme-dark .el-submenu .el-menu-item {
      background-color: $subMenuBg !important;

      &:hover {
        background-color: $subMenuHover !important;
      }
    }

  }

  .hideSidebar {
    .sidebar-container {
      width: $hideSidebar !important; //默认54px，收起时会展示图标，因此我们设为0
    }

    .main-container {
      margin-left: $hideSidebar; //默认54px，收起时会留出 54px 的空白，因此我们设为0
    }

    .submenu-title-noDropdown {
      padding : 0 !important;
      position: relative;

      .el-tooltip {
        padding: 0 !important;

        .svg-icon {
          margin-left: $hideSidebarSvg;
        }
      }
    }

    // .sidebar-container {
    //     width: 54px !important;
    // }
    // .main-container {
    //     margin-left: 54px;
    // }
    // .submenu-title-noDropdown {
    //     padding: 0 !important;
    //     position: relative;
    //     .el-tooltip {
    //         padding: 0 !important;
    //         .svg-icon {
    //             margin-left: 20px;
    //         }
    //     }
    // }
    .el-submenu {
      overflow: hidden;

      &>.el-submenu__title {
        padding: 0 !important;

        span {
          display   : inline-block;
          width     : 100%;
          text-align: center;
        }

        .svg-icon {
          margin-left: 20px;
        }

        .el-submenu__icon-arrow {
          display: none;
        }
      }
    }

    .el-menu--collapse {
      .el-submenu {
        &>.el-submenu__title {
          &>span {
            height    : 0;
            width     : 0;
            overflow  : hidden;
            visibility: hidden;
            display   : inline-block;
          }
        }
      }
    }
  }

  .el-menu--collapse .el-menu .el-submenu {
    min-width: $sideBarWidth !important;
  }

  // mobile responsive
  .mobile {
    .main-container {
      margin-left: 0px;
    }

    .sidebar-container {
      transition: transform .28s;
      width     : $sideBarWidth !important;
    }

    &.hideSidebar {
      .sidebar-container {
        pointer-events     : none;
        transition-duration: 0.3s;
        transform          : translate3d(-$sideBarWidth, 0, 0);
      }
    }
  }

  .withoutAnimation {

    .main-container,
    .sidebar-container {
      transition: none;
    }
  }
}

// when menu collapsed
.el-menu--vertical {
  &>.el-menu {
    .svg-icon {
      margin-right: 16px;
    }
  }

  .nest-menu .el-submenu>.el-submenu__title,
  .el-menu-item {
    &:hover {
      // you can use $subMenuHover
      background-color: $menuHover !important;
    }
  }

  // the scroll bar appears when the subMenu is too long
  >.el-menu--popup {
    max-height: 100vh;
    overflow-y: auto;

    &::-webkit-scrollbar-track-piece {
      background: #d3dce6;
    }

    &::-webkit-scrollbar {
      width: 6px;
    }

    &::-webkit-scrollbar-thumb {
      background   : #99a9bf;
      border-radius: 20px;
    }
  }
}